Did I do this right?

3.2x + 5.3x = - 25.5

X equals - 3 right?

What is the surface area of the prism? 8ft, 4ft and 4ft

What is the expanded notation for 231.856

Mr. Charles cut fresh roses from his garden and gave 10 roses to his neighbor. Then he gave half of what was left to his niece. He kept the remaining 14 roses. How many roses did he cut?

What is th product? y2+3y+7 8y2+y+1

Suppose a+b=2a which one of these expressions equals b-a

What's the vertex for y=2x^2-12x+19

What is the decimal of 1/2 percent

The equation above can be used to calculate the volume V, of a pyramid with a height h and base with length l and width w. If the volume of a pyramid is 81inches^3, and l=w=3h, what is the length of the base of the pyramid in inches?

What is the relationship between the decimals 0.09 and 0.9

A group of winning ticket holders share equally 90,000,000 lottery. Before the money is divided, three more winning ticket holders are declared. As a result, each persons share is reduced to 5,000,000.